<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
#d1{
color: red;
}
.c1{
color: green;
}
#d1,.c1,li{
background-color: green;
}
input[type='passwork'] {
	background-color: purple;
}
</style>
</head>
<body>
  <p>p1</p>
  <p id="d1">p2</p>
  <p class="c1">p3</p>
  <h3>h3_1</h3>
  <h3>h3_2</h3>
  <h3 class="c1">h3_3</h3>
  <ul>
  <li>li-1</li>
  <li>li-2</li>
  <li class="c1">li-3</li>
  </ul>
  <input type="text">
  <input type="password">
</body>
</html>